ABSTRACT
ICALEPCS 2001

Abstracts



WECI001 (Invited)

Presenter: Glenn Decker (Advanced Photon Source)
email: decker@aps.anl.gov
Review Status: Proceedings Ready - 02/01/02
FullText: pdf
Transparencies: pdf
Eprint: physics/0112043

Orbit Feedback Using X-ray Beam Position Monitoring at the Advanced Photon Source

G. A. Decker, O. V. Singh

The Advanced Photon Source was commissioned in 1995 as a third generation x-ray user facility. At that time, orbit control was performed exclusively with broadband rf beam position monitors. Since then, emphasis has been placed on incorporating x-ray beam position monitors into the orbit control algorithms. This has resulted in an order of magnitude improvement in long term beam stability vertically, using x-ray bpm's on bending magnet beamlines. Additional processing will allow similar improvements horizontally, once systematic effects associated with variable insertion device x-ray beams are properly compensated. Progess to date and upgrade plans will be presented, with an emphasis on the details of the required digital signal processing.
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ICALEPCS 2001

Last updated: September 13, 2002

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